The boy's family told the police that he was to undergo a magnetic resonance imaging (MRI) test but suddenly became unresponsive in the laboratory. He was immediately taken to a private hospital, where he died within 20 minutes.

The police said they had written to the Iraqi embassy, informing them about the death. No case has been registered yet.

The boy suffered from speech and hearing disorder and his family had brought him to Gurgaon for treatment. They took him to the laboratory after consulting an interpreter, a police officer said.

An autopsy was conducted at the government-run Civil Hospital but it could not determine the amount of anaesthetic in the boy's body. "An anaesthetic has been found in the body, which is also documented by the laboratory. But the exact amount of the drug can be determined by the forensic science laboratory. We have sent the samples to them," said a Civil Hospital official.

Police have received a complaint from the boy's family. "We have not registered any case as the report of forensic laboratory is awaited," said Gaurav Phogat, SHO, Sushant Lok police station.

A city-based doctor said the police should open a larger investigation on medical tourism agents and interpreters. "It's not uncommon for international patients to be taken to small laboratories as they offer more commission (to the agents). It is an unethical practice," he said.

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